CN112730615B - Steel construction detects uses observation device - Google Patents
Steel construction detects uses observation device Download PDFInfo
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- CN112730615B CN112730615B CN202011542081.XA CN202011542081A CN112730615B CN 112730615 B CN112730615 B CN 112730615B CN 202011542081 A CN202011542081 A CN 202011542081A CN 112730615 B CN112730615 B CN 112730615B
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- whistle
- resonance
- inner cavity
- solid rod
- transverse wave
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
Abstract
The invention discloses an observation device for steel structure detection, which relates to the technical field of building quality detection and comprises a fitting clamping block, wherein a clamping plate is movably connected in a groove of the fitting clamping block, four transverse wave observers are connected onto the fitting clamping block, longitudinal wave observers are arranged on one side face of the fitting clamping block corresponding to the four transverse wave observers, each transverse wave observer comprises a solid rod, a balancing weight is connected onto the solid rod in a threaded manner, the upper end of the solid rod is rotatably connected with a whistle through a rotary table, and the solid rod is vertically fixed onto the fitting clamping block. The whistle ware through the design comes to realize showing directly perceivedly to the transverse wave of vibration, and the simultaneous occurrence whistle disturbs the air when whistle ware swing back and forth, and resonance produces sound, and this design makes the user can observe and judge directly perceivedly to the transverse wave of steel construction through two aspects of vision and sense of hearing.
Description
Technical Field
The invention relates to an observation device, relates to the technical field of building quality detection, and particularly relates to an observation device for steel structure detection.
Background
Steel structures are structures made of steel materials, which are one of the main building structure types, and the detection of the formed steel structures is mostly done in the form of knocking and then listening to the sound of the vibration thereof.
The existing steel structure detection of the construction site mostly uses tools such as a hammer to knock the steel structure, then a worker listens to the echo of the steel structure at the other end to judge the quality of the steel structure.
Disclosure of Invention
The invention provides an observation device for steel structure detection, which aims to display vibration transverse waves and longitudinal waves and solve the problem that the transverse waves and the longitudinal waves cannot be directly observed.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a steel construction detects uses observation device, includes the laminating clamp splice, swing joint has splint in the recess of laminating clamp splice, be connected with four shear wave observers on the laminating clamp splice, four be equipped with the longitudinal wave observer on the side of the laminating clamp splice that corresponds between the shear wave observer, the shear wave observer includes solid pole, threaded connection has the balancing weight on the solid pole, the upper end of solid pole is rotated through the revolving stage and is connected with the whistle ware, solid pole vertical fixation is on the laminating clamp splice.
The technical scheme of the invention is further improved as follows: the whistle ware includes the alloy cylinder, run through on the alloy cylinder and cut and have two venturi inner chambers, two the venturi inner chamber is about coplanar parallel arrangement, the inside fixed mounting of venturi inner chamber has the emergence whistle.
The technical scheme of the invention is further improved as follows: the generation whistle comprises a cylindrical wall, the back of the cylindrical wall is a straight pipe cavity, two groups of whistle sheets are arranged on the inner wall of the straight pipe cavity, and the two groups of whistle sheets are symmetrically arranged.
The technical scheme of the invention is further improved as follows: the longitudinal wave observer comprises two resonance plates which are vertically fixed on the laminating clamping block, and the two resonance plates are arranged in parallel and fixedly connected with four longitudinal wave resonators.
The technical scheme of the invention is further improved as follows: the longitudinal wave resonator includes the clean shot, all be fixed with the elastic rod on two relative sides of clean shot, the one end vertical fixation that the clean shot was kept away from to the elastic rod sets up on the resonator plate, the inside of clean shot is equipped with spherical inner chamber, the upper and lower both ends point department of spherical inner chamber all communicates there is the blow vent, the blow vent runs through the setting in the hollow ball, be equipped with two sets of resonance pieces on spherical inner chamber's the inner wall.
The technical scheme of the invention is further improved as follows: the upper end of the alloy cylinder is provided with a guide plate, and guide grooves are embedded in two side faces of the guide plate.
The technical scheme of the invention is further improved as follows: the cylinder wall is fixed on the inner wall of the middle small port of the Venturi inner cavity, and the inner wall of the channel of the Venturi inner cavity is conical.
The technical scheme of the invention is further improved as follows: the two groups of resonance sheets are arranged in central symmetry around the circle center of the spherical inner cavity, and the length of the resonance sheets is larger than the radius of the spherical inner cavity.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides an observation device for steel structure detection, which is characterized in that a designed whistle device is used for visually displaying vibrating transverse waves, the whistle device disturbs air when swinging back and forth, resonance generates sound, the guide plate is arranged at the tail end of the whistle device, so that the whistle device can be vibrated back and forth by vibration generated by an attaching clamping block, the swinging direction of the whistle device is the trend of the transverse waves, when a whistle sheet swings along with an alloy cylinder, impact is generated between the whistle sheet and the air compressed by an inner cavity of a venturi, and interaction force acts on the air to enable the whistle sheet to generate high-frequency vibration, so that the sound is generated.
2. The invention provides an observation device for steel structure detection, which is characterized in that a designed resonance plate is used for efficiently conducting vibrating longitudinal waves so that the vibrating longitudinal waves can be efficiently conducted to a longitudinal wave resonator, the design of a double-sided resonance plate can enable the vibration with the same frequency to act on a hollow ball through two elastic rods to realize two vibration interactions so that the hollow ball can have more potential energy to move, a resonance sheet in the double-sided resonance plate is influenced by the vibration of the hollow ball, meanwhile, the double-sided resonance plate can also generate disturbance to the air in the process of displacement along with the hollow ball so that the hollow ball is vibrated and generates sound, the two vibration waves are matched with each other so that the sound waves can be enhanced, and a user can visually observe and judge the longitudinal waves of a steel structure through two aspects of auditory sense and visual sense.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a shear wave observer according to the present invention;
FIG. 3 is a cross-sectional schematic view of the whistle of the present invention;
FIG. 4 is a cross-sectional view of a whistle of the present invention;
FIG. 5 is a schematic cross-sectional view of a longitudinal wave observer according to the present invention;
fig. 6 is a schematic cross-sectional view of a longitudinal wave resonator according to the present invention.
In the figure: 1. fitting the clamping blocks; 2. a splint; 3. a transverse wave observer; 4. a longitudinal wave observer;
31. a solid bar; 32. a balancing weight; 33. a turntable; 34. a whistle device;
a1, an alloy cylinder; a2, a Venturi cavity; a3, sounding whistle; a4, a guide plate; a5, a diversion trench;
a31, a cylindrical wall; a32, a straight pipe cavity; a33, a whistle piece;
41. a resonator plate; 42. a longitudinal wave resonator;
b1, hollow spheres; b2, an elastic rod; b3, a vent; b4, a spherical inner cavity; b5, a resonance sheet.
Detailed Description
The present invention is further illustrated in detail below with reference to examples:
example 1
As shown in fig. 1-2, the invention provides an observation device for steel structure detection, which comprises a fitting clamping block 1, wherein a clamping plate 2 is movably connected in a groove of the fitting clamping block 1, four transverse wave observers 3 are connected to the fitting clamping block 1, longitudinal wave observers 4 are arranged on one side surface of the fitting clamping block 1 corresponding to the four transverse wave observers 3, each transverse wave observer 3 comprises a solid rod 31, a balancing weight 32 is connected to the solid rod 31 through a thread, the upper end of the solid rod 31 is rotatably connected with a whistle 34 through a turntable 33, and the solid rod 31 is vertically fixed on the fitting clamping block 1.
In this embodiment, close contact between laminating clamp splice 1 and the steel construction for vibration when the steel construction receives the strike can be conducted for laminating clamp splice 1, then the vibration is conducted for shear wave observer 3 and longitudinal wave observer 4 through laminating clamp splice 1 again, solid pole 31 in shear wave observer 3 is when receiving the impact, its end can directly vibrate with the amplitude of pressing close to the shear wave amplitude fast, whistle 34 above that can produce sound at the in-process of fast vibration, the focus height of solid pole 31 can be adjusted to balancing weight 32 on the solid pole 31, thereby produce the influence to resonance amplitude and resonance synchronization rate, the person of facilitating the use detects the observation to the steel construction of different materials and structure, longitudinal wave observer 4 then can show the longitudinal wave of the vibration that laminating clamp splice 1 received, above-mentioned both combines to make the user carry out audio-visual observation to the vibration conduction condition of steel construction.
Example 2
As shown in fig. 2 to 4, on the basis of embodiment 1, the present invention provides a technical solution: whistle 34 includes alloy cylinder a1, it has two venturi inner chamber a2, two to run through the excavation on the alloy cylinder a1 venturi inner chamber a2 is about coplanar parallel arrangement, venturi inner chamber a 2's inside fixed mounting has emergence whistle a3, emergence whistle a3 includes drum wall a31, drum wall a 31's back is straight tube chamber a32, be equipped with two sets of whistle slices a33 on straight tube chamber a 32's the inner wall, it is two sets of whistle slice a33 symmetry sets up, drum wall a31 is fixed on venturi inner chamber a 2's middle port inner wall, just venturi inner chamber a 2's passageway inner wall is conical.
In this embodiment, the alloy cylinder a1 is driven by the solid rod 31 to swing back and forth, air is compressed into the whistle a3 after entering the venturi cavity a2, the sound production condition of the whistle 34 is reduced through the whistle a33 arranged in the whistle a3, the air is influenced by the vibration of the alloy cylinder a1 in the compression process, the air can vibrate and impact the whistle a33 when impacting the whistle a33, so that the vibration conduction is completed, the whistle a33 can generate sound when rubbing with air under the condition of high-frequency vibration, so that the alloy cylinder a1 can produce sound when vibrating, and the observation and judgment of the steel structure transverse wave conduction condition are completed through the vibration amplitude and the sound frequency of the alloy cylinder a 1.
Example 3
As shown in fig. 1, 5 and 6, on the basis of embodiment 1, the present invention provides a technical solution: longitudinal wave observer 4 includes resonance plate 41, resonance plate 41 vertical fixation is on laminating clamp splice 1, resonance plate 41's quantity is two, two resonance plate 41 parallel arrangement of each other, and two four longitudinal wave resonators 42 of fixedly connected with between the resonance plate 41, longitudinal wave resonator 42 includes clean shot b1, all be fixed with elastic rod b2 on two relative sides of clean shot b1, the one end vertical fixation that clean shot b1 was kept away from to elastic rod b2 sets up on resonance plate 41, clean shot b 1's inside is equipped with spherical inner chamber b4, the upper and lower both ends department of spherical inner chamber b4 all communicates there is air vent b3, air vent b3 runs through the setting in clean shot b1, be equipped with two sets of resonance piece b5, two sets of resonance piece b5 is the central symmetry setting about spherical inner chamber b 4's the centre of a circle, resonance piece b 5's length is greater than spherical inner chamber b 4's radius.
In this embodiment, when vibration is transmitted to the resonator plate 41 from the attachment clamp block 1, the resonator plate 41 transmits longitudinal vibration to the longitudinal wave resonator 42 with high efficiency, and the resonance sheet b5 arranged in the longitudinal wave resonator 42 realizes conversion of vibration, so that sound can be generated in the longitudinal wave resonator 42, the sound wave is repeatedly refracted through the spherical inner cavity b4, storage of the sound wave is increased, loudness and frequency of the sound wave are enlarged, and the sound wave can be captured by human ears, meanwhile, the hollow sphere b1 can generate longitudinal reciprocating motion under the influence of vibration in the process, a user can directly observe the vibration condition of the hollow sphere b1 and loudness and frequency of the sound, so that visual observation of the longitudinal wave is completed, the two sets of resonance sheets b5 are designed to be centrosymmetric about the center of the spherical inner cavity b4, so that bidirectional motion can affect the resonance sheet b5 when the hollow sphere b1 reciprocates, so that the sound is generated, and the design that the length of the resonance sheet b5 is greater than the radius of the spherical inner cavity b4 increases the efficiency of blocking air in the spherical inner cavity b4, and reduces air power waste.
Example 4
As shown in fig. 2-3, on the basis of embodiment 1, the present invention provides a technical solution: the upper end of the alloy cylinder a1 is provided with a guide plate a4, and two side faces of the guide plate a4 are both internally embedded with guide grooves a5.
In this embodiment, when the alloy cylinder a1 vibrates, it directly drives the guide plate a4 to move, the air current is guided through the guide plate a4 and the guide grooves a5 on both sides of the guide plate a4, and the orientation of the guide plate a4 is adjusted by using the interaction force between the guide plate a4 and the air current, so as to drive the alloy cylinder a1 to realize the direction adjustment.
The operation principle of the observation device for detecting a steel structure will be described in detail below.
As shown in fig. 1-6, when in use, one side of a C-shaped channel steel or an L-shaped channel steel is placed between a bonding clamp block 1 and a clamp plate 2, and then the position of the clamp plate 2 is adjusted, so that the bonding clamp block 1 and the clamp plate 2 can tightly clamp the channel steel, and the bonding clamp block 1 and the surface of the channel steel are completely bonded, and then the position of a balancing weight 32 is adjusted, so that the overall center of gravity of the balancing weight and a solid rod 31 is in a proper position, when a user knocks the steel structure, vibration can be directly transmitted to a transverse wave observer 3 and a longitudinal wave observer 4 through the bonding clamp block 1, the transverse wave observer 3 does not have a structure capable of visually displaying vibration longitudinal waves, and the longitudinal wave observer 4 does not have a structure capable of visually displaying vibration transverse waves, so that the user can observe the vibration transverse waves by using the transverse wave observer 3, and observe the vibration longitudinal waves by using the longitudinal wave observer 4;
when vibration is transmitted to the solid rod 31 through the attaching clamp block 1, the solid rod 31 transmits the vibration to the whistle device 34 through the rotary table 33, the whistle device 34 is located at the tail end of the solid rod 31, the whistle device can reciprocate with the amplitude of the attaching amplitude, the vibration amplitude is visually displayed and is observed by a user, at the moment, wind currents on two sides of the guide plate a4 in the whistle device 34 are in a disordered state when swinging, the wind currents are guided through the arranged guide groove a5, the portion, attached to the guide plate a4, of the whistle device can be stably parallel, force in the side direction of the wind currents directly acts on the guide plate a4 to efficiently push the guide plate a4, the orientation of the guide plate a4 can be synchronous with the wind currents, torsion generated by the turning of the guide plate a4 can directly act on the alloy cylinder a1, and then the torsion is transmitted to the rotary table 33 through the alloy cylinder a1, so that the whistle device 34 automatically turns, and the orientation of the venturi inner cavity a2 can be always in a straight wind direction;
meanwhile, the venturi inner cavity a2 arranged on the alloy cylinder a1 in the whistle device 34 compresses the taken-in air in the movement process of the alloy cylinder a1, and then the taken-in air is discharged from the other port through the whistle a3, when the whistle sheet a33 in the whistle a3 contacts with the compressed air, the whistle sheet a33 and the whistle sheet a3 impact each other to generate vibration, and simultaneously the whistle sheet a33 receives the vibration influence conducted by the alloy cylinder a1 through the cylinder wall a31, so that the vibration of the whistle sheet a33 and the vibration between the whistle sheet a33 and the air are in resonance, the frequency and the amplitude of the two vibrations are fused with each other to generate vibration with larger amplitude, and the straight cylinder design of the sound straight pipe cavity a32 is used for reducing the impact between the inner side wall a31 and the air, and avoiding the negative influence of the two vibrations caused by more vibrations;
when vibration conducts to resonator plate 41 through laminating clamp splice 1, resonator plate 41 can conduct longitudinal vibration high efficiency for longitudinal wave resonator 42, when two resonator plates 41 give longitudinal wave resonator 42 conduction vibration simultaneously, the vibration of two directions can be at hollow ball b1 department resonance that intersects, thereby drive hollow ball b1 steady vibration, thereby make resonance piece b5 in the hollow ball b1 also can stabilize high-frequency vibration, it produces the friction with the air in spherical inner chamber b4, disturb the air, realize resonance, the vibration of air can be at spherical inner chamber b4 internal repetitive reflection, multiple vibration influences the fusion each other, realize resonance, the amplitude of increase vibration, produce sound, escape the conduction for external world from vent b3 department until.
The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (4)
1. The utility model provides a steel construction detects uses observation device, includes laminating clamp splice (1), its characterized in that: the clamp plate is movably connected in a groove of the attaching clamp block (1), the attaching clamp block (1) is connected with four transverse wave observers (3), one side face, corresponding to the attaching clamp block (1), of each transverse wave observer (3) is provided with a longitudinal wave observer (4), each transverse wave observer (3) comprises a solid rod (31), the solid rod (31) is connected with a balancing weight (32) in a threaded mode, the upper end of the solid rod (31) is rotatably connected with a whistle device (34) through a rotary table (33), and the solid rod (31) is vertically fixed on the attaching clamp block (1);
the longitudinal wave observer (4) comprises two resonance plates (41), the resonance plates (41) are vertically fixed on the attaching clamp block (1), the two resonance plates (41) are arranged in parallel, and four longitudinal wave resonators (42) are fixedly connected between the two resonance plates (41);
the longitudinal wave resonator (42) comprises a hollow ball (b 1), two opposite side faces of the hollow ball (b 1) are respectively fixedly provided with an elastic rod (b 2), one end, far away from the hollow ball (b 1), of each elastic rod (b 2) is vertically and fixedly arranged on a resonance plate (41), a spherical inner cavity (b 4) is arranged inside the hollow ball (b 1), the upper end point and the lower end point of the spherical inner cavity (b 4) are respectively communicated with a vent hole (b 3), the vent holes (b 3) are arranged in the hollow ball (b 1) in a penetrating mode, and two groups of resonance sheets (b 5) are arranged on the inner wall of the spherical inner cavity (b 4);
the whistle (34) comprises an alloy cylinder (a 1), two venturi inner cavities (a 2) are drilled on the alloy cylinder (a 1) in a penetrating mode, the two venturi inner cavities (a 2) are arranged in parallel relative to the same plane, and a whistle (a 3) is fixedly installed inside the venturi inner cavity (a 2);
the occurrence whistle (a 3) comprises a cylindrical wall (a 31), the back of the cylindrical wall (a 31) is a straight pipe cavity (a 32), two groups of whistle sheets (a 33) are arranged on the inner wall of the straight pipe cavity (a 32), and the two groups of whistle sheets (a 33) are symmetrically arranged.
2. The observation device for steel structure detection according to claim 1, wherein: the upper end of the alloy cylinder (a 1) is provided with a guide plate (a 4), and guide grooves (a 5) are embedded in the two side faces of the guide plate (a 4).
3. The observation device for steel structure detection according to claim 1, wherein: the cylinder wall (a 31) is fixed on the inner wall of the middle small port of the Venturi inner cavity (a 2), and the inner wall of the channel of the Venturi inner cavity (a 2) is conical.
4. The observation device for steel structure detection according to claim 1, wherein: the two groups of resonance sheets (b 5) are arranged in a centrosymmetric manner around the circle center of the spherical inner cavity (b 4), and the length of the resonance sheets (b 5) is greater than the radius of the spherical inner cavity (b 4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011542081.XA CN112730615B (en) | 2020-12-24 | 2020-12-24 | Steel construction detects uses observation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011542081.XA CN112730615B (en) | 2020-12-24 | 2020-12-24 | Steel construction detects uses observation device |
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| CN112730615A CN112730615A (en) | 2021-04-30 |
| CN112730615B true CN112730615B (en) | 2022-11-25 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09145696A (en) * | 1995-11-21 | 1997-06-06 | Toshiba Corp | Method and apparatus for measuring depth of flaw |
| CN1888933A (en) * | 2005-06-28 | 2007-01-03 | 中国石油集团东方地球物理勘探有限责任公司 | Transversal wave or conversion transversal wave exploration near-earth surface structure survey method |
| CN203203703U (en) * | 2013-04-15 | 2013-09-18 | 杨宇翔 | Detection apparatus for detecting friction abnormal sound of rotation equipment |
| CN205506758U (en) * | 2016-03-02 | 2016-08-24 | 江苏方建工程质量鉴定检测有限公司 | Detector of structural strengthening layer bond quality |
| CN107478722A (en) * | 2017-05-18 | 2017-12-15 | 中北大学 | A kind of new resonance acoustics the cannot-harm-detection device |
| CN108254440A (en) * | 2018-02-01 | 2018-07-06 | 湖南大学 | It is a kind of to detect robot and the method using detection robot detection concrete filled steel tube pouring quality |
| CN211453477U (en) * | 2019-12-27 | 2020-09-08 | 北京瑞威工程检测有限公司 | Continuous measurement system for detecting suspension of ballastless track supporting layer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6736904B2 (en) * | 2001-03-02 | 2004-05-18 | Paper Quality Management Associates | Method and apparatus for the generation of ultrasonic energy fields within circular structures containing a liquid |
-
2020
- 2020-12-24 CN CN202011542081.XA patent/CN112730615B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09145696A (en) * | 1995-11-21 | 1997-06-06 | Toshiba Corp | Method and apparatus for measuring depth of flaw |
| CN1888933A (en) * | 2005-06-28 | 2007-01-03 | 中国石油集团东方地球物理勘探有限责任公司 | Transversal wave or conversion transversal wave exploration near-earth surface structure survey method |
| CN203203703U (en) * | 2013-04-15 | 2013-09-18 | 杨宇翔 | Detection apparatus for detecting friction abnormal sound of rotation equipment |
| CN205506758U (en) * | 2016-03-02 | 2016-08-24 | 江苏方建工程质量鉴定检测有限公司 | Detector of structural strengthening layer bond quality |
| CN107478722A (en) * | 2017-05-18 | 2017-12-15 | 中北大学 | A kind of new resonance acoustics the cannot-harm-detection device |
| CN108254440A (en) * | 2018-02-01 | 2018-07-06 | 湖南大学 | It is a kind of to detect robot and the method using detection robot detection concrete filled steel tube pouring quality |
| CN211453477U (en) * | 2019-12-27 | 2020-09-08 | 北京瑞威工程检测有限公司 | Continuous measurement system for detecting suspension of ballastless track supporting layer |
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